openwrt/staging/blogic.git
10 years agodrm/i915: Disable crtcs gracefully before GPU reset on gen3/4
Ville Syrjälä [Fri, 21 Nov 2014 19:54:30 +0000 (21:54 +0200)]
drm/i915: Disable crtcs gracefully before GPU reset on gen3/4

The GPU reset also resets the display on gen3/4. The g33 docs say we
should disable all planes before flipping the reset switch. Just
disable all the crtcs instead. That seems a nicer thing to do anyway.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
10 years agodrm/i915: Grab modeset locks for GPU rest on pre-ctg
Ville Syrjälä [Mon, 24 Nov 2014 16:28:11 +0000 (18:28 +0200)]
drm/i915: Grab modeset locks for GPU rest on pre-ctg

On gen4 and earlier the GPU reset also resets the display, so we should
protect against concurrent modeset operations. Grab all the modeset locks
around the entire GPU reset dance, remebering first ti dislogde any
pending page flip to make sure we don't deadlock. Any pageflip coming
in between these two steps should fail anyway due to reset_in_progress,
so this should be safe.

This fixes a lot of failed asserts in the modeset code when there's a
modeset racing with the reset. Naturally the asserts aren't happy when
the expected state has disappeared.

v2: Drop UMS checks, complete pending flips after the reset (Daniel)

Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
10 years agodrm/i915: Implement GPU reset for g33
Ville Syrjälä [Fri, 21 Nov 2014 19:54:28 +0000 (21:54 +0200)]
drm/i915: Implement GPU reset for g33

g33 seems to sit somewhere between the 915/945/965 style and the
g4x style. The bits look like g4x, but we still need to do a full
reset including display.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
10 years agodrm/i915: Implement GPU reset for 915/945
Ville Syrjälä [Fri, 21 Nov 2014 19:54:27 +0000 (21:54 +0200)]
drm/i915: Implement GPU reset for 915/945

915/945 have the same reset registers as 965, so share the code.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
10 years agodrm/i915: Restore the display config after a GPU reset on gen4
Ville Syrjälä [Fri, 21 Nov 2014 19:54:26 +0000 (21:54 +0200)]
drm/i915: Restore the display config after a GPU reset on gen4

On pre-ctg GPU reset also resets the display hardware. Force a mode
restore after the GPU reset, and also re-init clock gating.

v2: Use intel_modeset_init_hw() instead of intel_init_clock_gating()
    in case more relevant stuff gets added there at some point
    Restore interrupts after the reset as well

Tested-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
10 years agodrm/i915: Fix gen4 GPU reset
Ville Syrjälä [Fri, 21 Nov 2014 19:54:25 +0000 (21:54 +0200)]
drm/i915: Fix gen4 GPU reset

On pre-ctg the reset bit directly controls the reset signal. We must
assert it for >=20usec and then deassert it. Bit 1 is a RO status bit
which should also go down when the reset is no longer asserted.

Tested-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
10 years agodrm/i915: Stop gathering error states for CS error interrupts
Daniel Vetter [Tue, 4 Nov 2014 14:52:22 +0000 (15:52 +0100)]
drm/i915: Stop gathering error states for CS error interrupts

There's quite a few bug reports with error states where the error
reasons makes just about no sense at all. Like dying on tlbs for a
display plane that's not even there. Also users don't really report a
lot of bad side effects generally, just the error states.

Furthermore we don't even enable these interrupts any more on gen5+
(though the handling code is still there). So this mostly concerns old
platforms.

Given all that lets make our lives a bit easier and stop capturing
error states, in the hopes that we can just ignore them. In case
that's not true and the gpu indeed dies the hangcheck should
eventually kick in. And I've left some debug log in to make this case
noticeble. Referenced bug is just an example.

v2: Fix missing \n Jani spotted.

References: https://bugs.freedesktop.org/show_bug.cgi?id=82095
References: https://bugs.freedesktop.org/show_bug.cgi?id=85944
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
10 years agodrm/i915: Disallow pin ioctl completely for kms drivers
Daniel Vetter [Mon, 24 Nov 2014 10:12:42 +0000 (11:12 +0100)]
drm/i915: Disallow pin ioctl completely for kms drivers

The problem here is that SNA pins batchbuffers to etch out a bit more
performance. Iirc it started out as a w/a for i830M (which we've
implemented in the kernel since a long time already). The problem is
that the pin ioctl wasn't added in

commit d23db88c3ab233daed18709e3a24d6c95344117f
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Fri May 23 08:48:08 2014 +0200

    drm/i915: Prevent negative relocation deltas from wrapping

Fix this by simply disallowing pinning from userspace so that the
kernel is in full control of batch placement again. Especially since
distros are moving towards running X as non-root, so most users won't
even be able to see any benefits.

UMS support is dead now, but we need this minimal patch for
backporting. Follow-up patch will remove the pin ioctl code
completely.

Note to backporters: You must have both

commit b45305fce5bb1abec263fcff9d81ebecd6306ede
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Mon Dec 17 16:21:27 2012 +0100

    drm/i915: Implement workaround for broken CS tlb on i830/845

which laned in 3.8 and

commit c4d69da167fa967749aeb70bc0e94a457e5d00c1
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Mon Sep 8 14:25:41 2014 +0100

    drm/i915: Evict CS TLBs between batches

which is also marked cc: stable. Otherwise this could introduce a
regression by disabling the userspace w/a without the kernel w/a being
fully functional on i830/45.

References: https://bugs.freedesktop.org/show_bug.cgi?id=76554#c116
Cc: stable@vger.kernel.org # requires c4d69da167fa967749a and v3.8
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
10 years agodrm/i915: Only warn the first time we attempt to mmio whilst suspended
Chris Wilson [Mon, 24 Nov 2014 08:03:12 +0000 (08:03 +0000)]
drm/i915: Only warn the first time we attempt to mmio whilst suspended

In all likelihood we will do a few hundred errnoneous register
operations if we do a single invalid register access whilst the device
is suspended. As each instance causes a WARN, this floods the system
logs and can make the system unresponsive.

The warning was first introduced in
commit b2ec142cb0101f298f8e091c7d75b1ec5b809b65
Author: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date:   Fri Feb 21 13:52:25 2014 -0300

    drm/i915: call assert_device_not_suspended at gen6_force_wake_work

and despite the claims the WARN is still encountered in the wild today.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
10 years agodrm/i915/chv: Enable AVI, SPD and HDMI infoframes for CHV.
Clint Taylor [Fri, 21 Nov 2014 19:13:02 +0000 (11:13 -0800)]
drm/i915/chv: Enable AVI, SPD and HDMI infoframes for CHV.

CHV infoframes were not being enabled.

Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
10 years agodrm/i915: Don't clobber crtc->new_config when nothing changes
Ville Syrjälä [Fri, 21 Nov 2014 19:00:36 +0000 (21:00 +0200)]
drm/i915: Don't clobber crtc->new_config when nothing changes

When doing a nop modeset we currently leave crtc->new_config point at
the already freed temporary pipe_config. That will anger the sanity
checks in intel_modeset_update_state() when the nop modeset gets
followed by a GPU reset on gen3/4 where the display block gets fully
reinitialized during the reset.

So leave crtc->new_config alone until we know a modeset is actually
required.

Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
10 years agodrm: rcar-du: Fix NULL encoder pointer dereference
Laurent Pinchart [Thu, 27 Nov 2014 12:49:07 +0000 (14:49 +0200)]
drm: rcar-du: Fix NULL encoder pointer dereference

The DRM connector's encoder pointer is managed internally by the DRM
core and set to NULL when the DRM connector is disconnected from the
CRTC it was attached to. This results in a NULL pointer dereference in
the HDMI connector functions when trying to call the associated slave
encoder's operations.

Fix this by retrieving the slave encoder pointer from the R-Car
connector structure instead of the DRM connector structure.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
10 years agoMerge tag 'drm-intel-next-2014-11-21-fixed' of git://anongit.freedesktop.org/drm...
Dave Airlie [Tue, 2 Dec 2014 22:25:59 +0000 (08:25 +1000)]
Merge tag 'drm-intel-next-2014-11-21-fixed' of git://anongit.freedesktop.org/drm-intel into drm-next

drm-intel-next-2014-11-21:
- infoframe tracking (for fastboot) from Jesse
- start of the dri1/ums support removal
- vlv forcewake timeout fixes (Imre)
- bunch of patches to polish the rps code (Imre) and improve it on bdw (Tom
  O'Rourke)
- on-demand pinning for execlist contexts
- vlv/chv backlight improvements (Ville)
- gen8+ render ctx w/a work from various people
- skl edp programming (Satheeshakrishna et al.)
- psr docbook (Rodrigo)
- piles of little fixes and improvements all over, as usual

* tag 'drm-intel-next-2014-11-21-fixed' of git://anongit.freedesktop.org/drm-intel: (117 commits)
  drm/i915: Don't pin LRC in GGTT when dumping in debugfs
  drm/i915: Update DRIVER_DATE to 20141121
  drm/i915/g4x: fix g4x infoframe readout
  drm/i915: Only call mod_timer() if not already pending
  drm/i915: Don't rely upon encoder->type for infoframe hw state readout
  drm/i915: remove the IRQs enabled WARN from intel_disable_gt_powersave
  drm/i915: Use ggtt error obj capture helper for gen8 semaphores
  drm/i915: vlv: increase timeout when setting idle GPU freq
  drm/i915: vlv: fix cdclk setting during modeset while suspended
  drm/i915: Dump hdmi pipe_config state
  drm/i915: Gen9 shadowed registers
  drm/i915/skl: Gen9 multi-engine forcewake
  drm/i915: Read power well status before other registers for drpc info
  drm/i915: Pin tiled objects for L-shaped configs
  drm/i915: Update ring freq for full gpu freq range
  drm/i915: change initial rps frequency for gen8
  drm/i915: Keep min freq above floor on HSW/BDW
  drm/i915: Use efficient frequency for HSW/BDW
  drm/i915: Can i915_gem_init_ioctl
  drm/i915: Sanitize ->lastclose
  ...

10 years agodrm/i915: Don't pin LRC in GGTT when dumping in debugfs
Thomas Daniel [Tue, 2 Dec 2014 13:21:18 +0000 (13:21 +0000)]
drm/i915: Don't pin LRC in GGTT when dumping in debugfs

LRC object does not need to be mapped into the GGTT when dumping. A side-effect
of this patch is that a compiler warning goes away (not checking return value
of i915_gem_obj_ggtt_pin).

v2: Broke out individual context dumping into a new function as the indentation
was getting a bit crazy.  Added notification of contexts with no gem object for
debugging purposes.  Removed unnecessary pin_pages and unpin_pages, replaced
with explicit get_pages for the context object as there may be no backing store
allocated at this time (Comment for get_pages says "Ensure that the associated
pages are gathered from the backing storage and pinned into our object").
Improved error checking - get_pages and get_page are checked for failure.

Signed-off-by: Thomas Daniel <thomas.daniel@intel.com>
[danvet: Align paramter continuation lines properly. Also add some
braces to the nested loops again for readability.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
10 years agoMerge branch 'linux-3.19' of git://anongit.freedesktop.org/git/nouveau/linux-2.6...
Dave Airlie [Tue, 2 Dec 2014 06:13:12 +0000 (16:13 +1000)]
Merge branch 'linux-3.19' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-next

- Tegra K1 voltage support, and coherency improvements
- GM204 support (modesetting, still waiting on NVIDIA for signed fw to
proceed further), and a lot of bios/i2c/devinit adjustments needed to
support it
- GT21x memory reclocking work
- Various other bits and pieces, most of which are prep-work for a
couple of bigger projects I didn't get finished in time

* 'linux-3.19' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: (73 commits)
  drm/nv50/kms: drop requirement that framebuffer bos be contig up-front
  drm/nv50/kms: directly use cursor image from userspace buffer
  drm/nouveau/kms: when pinning display-related buffers, force contig vram
  drm/nouveau: teach nouveau_bo_pin() how to force a contig vram allocation
  drm/nouveau/volt: add support for GK20A
  drm/nouveau/platform: add GPU speedo information to nouveau platform
  drm/nouveau/volt: allow non-bios voltage scaling
  drm/gf100-/gr: return non-fatal error code when fw not present
  drm/nouveau/devinit: bump priv ring timeouts before executing scripts
  drm/nouveau/bios: translate ramcfg strap through M0203
  drm/nouveau/fb: make use of M0203 routines for ram type determination
  drm/nouveau/bios: add parsing of BIT M(v2) +0x03 table
  drm/nouveau/core: allow vbios parsing without knowing chipset type
  drm/nouveau/lib: add null backend
  drm/nouveau/device: store revision
  drm/nouveau/core: add some forgotten subdevs to disable mask
  drm/gk20a/clk: fix max VCO value
  drm/nouveau: we need pin_refcnt for nouveau_bo_placement_set()
  drm/nv50-/kms: add some evo tracing ability for debugging
  drm/nv50/kms: use sclass() instead of trial-and-error
  ...

10 years agodrm/nv50/kms: drop requirement that framebuffer bos be contig up-front
Ben Skeggs [Mon, 10 Nov 2014 02:36:44 +0000 (12:36 +1000)]
drm/nv50/kms: drop requirement that framebuffer bos be contig up-front

We'll move them at pin() time if necessary.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nv50/kms: directly use cursor image from userspace buffer
Ben Skeggs [Mon, 10 Nov 2014 05:52:02 +0000 (15:52 +1000)]
drm/nv50/kms: directly use cursor image from userspace buffer

Preparation for transition to planes, which use framebuffers for the
cursor image.  We've always done copies from the userspace buffer up
until now for legacy reasons, there's no good reason to do so on the
chipsets this code covers.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/kms: when pinning display-related buffers, force contig vram
Ben Skeggs [Mon, 10 Nov 2014 02:35:06 +0000 (12:35 +1000)]
drm/nouveau/kms: when pinning display-related buffers, force contig vram

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau: teach nouveau_bo_pin() how to force a contig vram allocation
Ben Skeggs [Mon, 10 Nov 2014 01:24:27 +0000 (11:24 +1000)]
drm/nouveau: teach nouveau_bo_pin() how to force a contig vram allocation

We have the ability to move buffers around in the kernel if necessary,
and should probably use it rather than failing if userspace passes us
a non-contig buffer for a plane.

The NOUVEAU_GEM_TILE_NONCONTIG flag from userspace will become a mere
initial placement hint once all the relevant paths have been updated.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/volt: add support for GK20A
Vince Hsu [Tue, 2 Dec 2014 04:50:35 +0000 (12:50 +0800)]
drm/nouveau/volt: add support for GK20A

The voltage value are calculated by the hardware characterized
result.

Signed-off-by: Vince Hsu <vinceh@nvidia.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/platform: add GPU speedo information to nouveau platform
Vince Hsu [Tue, 2 Dec 2014 04:50:34 +0000 (12:50 +0800)]
drm/nouveau/platform: add GPU speedo information to nouveau platform

For GK20A we need the GPU speedo value to calculate voltage levels.

Signed-off-by: Vince Hsu <vinceh@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/volt: allow non-bios voltage scaling
Vince Hsu [Tue, 2 Dec 2014 04:50:33 +0000 (12:50 +0800)]
drm/nouveau/volt: allow non-bios voltage scaling

Move the vbios parsing out of init() and call it conditionally if the
platform has a vbios. Non-vbios platforms can use the ctor() to init the
data structures.

Signed-off-by: Vince Hsu <vinceh@nvidia.com>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/gf100-/gr: return non-fatal error code when fw not present
Ben Skeggs [Tue, 25 Nov 2014 23:03:15 +0000 (09:03 +1000)]
drm/gf100-/gr: return non-fatal error code when fw not present

This allows the module to load without acceleration.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/devinit: bump priv ring timeouts before executing scripts
Ben Skeggs [Tue, 25 Nov 2014 22:51:10 +0000 (08:51 +1000)]
drm/nouveau/devinit: bump priv ring timeouts before executing scripts

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: translate ramcfg strap through M0203
Ben Skeggs [Tue, 4 Nov 2014 05:13:30 +0000 (15:13 +1000)]
drm/nouveau/bios: translate ramcfg strap through M0203

A machine has been spotted where the ramcfg strap is "8", and the ramcfg
xlat table goes 0-7,0-7, resulting in us selecting config 0 for memory
items.  On this particular system, config "8" is available and supposed
to be used.  It appears that starting from GT21x (where Mv2 appears),
we're supposed to use the value in this table instead.

One concern here is that not all the places we currently use ramcfg xlat
are supposed to be treated the same now.  The strap xlat table wasn't
removed from the vbios either, presumably for some kind of good reason.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/fb: make use of M0203 routines for ram type determination
Ben Skeggs [Tue, 4 Nov 2014 03:04:35 +0000 (13:04 +1000)]
drm/nouveau/fb: make use of M0203 routines for ram type determination

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: add parsing of BIT M(v2) +0x03 table
Ben Skeggs [Tue, 4 Nov 2014 02:06:25 +0000 (12:06 +1000)]
drm/nouveau/bios: add parsing of BIT M(v2) +0x03 table

We only support one kind of matching here (ramcfg strap), but it appears
alternate methods are possible.  I wrote a tool to scan our vbios repo
for other types, but did not see any used.  Hopefully this means there
aren't any in the wild that will now break.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/core: allow vbios parsing without knowing chipset type
Ben Skeggs [Tue, 18 Nov 2014 00:51:19 +0000 (10:51 +1000)]
drm/nouveau/core: allow vbios parsing without knowing chipset type

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/lib: add null backend
Ben Skeggs [Tue, 18 Nov 2014 00:36:59 +0000 (10:36 +1000)]
drm/nouveau/lib: add null backend

For the moment, just used to speed up vbios-only testing.  Have some
ideas for extending in the future.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/device: store revision
Ben Skeggs [Mon, 17 Nov 2014 12:56:37 +0000 (22:56 +1000)]
drm/nouveau/device: store revision

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/core: add some forgotten subdevs to disable mask
Ben Skeggs [Mon, 17 Nov 2014 12:52:11 +0000 (22:52 +1000)]
drm/nouveau/core: add some forgotten subdevs to disable mask

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/gk20a/clk: fix max VCO value
Alexandre Courbot [Thu, 13 Nov 2014 09:07:27 +0000 (18:07 +0900)]
drm/gk20a/clk: fix max VCO value

For some reason max_vco was set to a lower value that it can support,
which prevented some clock states to be applied. Fix this by setting it
to the same value as downstream.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau: we need pin_refcnt for nouveau_bo_placement_set()
Ben Skeggs [Mon, 10 Nov 2014 01:12:17 +0000 (11:12 +1000)]
drm/nouveau: we need pin_refcnt for nouveau_bo_placement_set()

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nv50-/kms: add some evo tracing ability for debugging
Ben Skeggs [Mon, 3 Nov 2014 06:43:59 +0000 (16:43 +1000)]
drm/nv50-/kms: add some evo tracing ability for debugging

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nv50/kms: use sclass() instead of trial-and-error
Ben Skeggs [Mon, 3 Nov 2014 05:01:33 +0000 (15:01 +1000)]
drm/nv50/kms: use sclass() instead of trial-and-error

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nv50/kms: remove a couple of cursor-related stub functions
Ben Skeggs [Mon, 3 Nov 2014 04:33:01 +0000 (14:33 +1000)]
drm/nv50/kms: remove a couple of cursor-related stub functions

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau: fix pin refcnt leak in failure path
Ben Skeggs [Thu, 6 Nov 2014 04:34:31 +0000 (14:34 +1000)]
drm/nouveau: fix pin refcnt leak in failure path

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau: synchronize BOs when required
Alexandre Courbot [Mon, 27 Oct 2014 09:49:19 +0000 (18:49 +0900)]
drm/nouveau: synchronize BOs when required

On architectures for which access to GPU memory is non-coherent,
caches need to be flushed and invalidated explicitly when BO control
changes between CPU and GPU.

This patch adds buffer synchronization functions which invokes the
correct API (PCI or DMA) to ensure synchronization is effective.

Based on the TTM DMA cache helper patches by Lucas Stach.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau: allocate GPFIFOs and fences coherently
Alexandre Courbot [Mon, 27 Oct 2014 09:49:18 +0000 (18:49 +0900)]
drm/nouveau: allocate GPFIFOs and fences coherently

Specify TTM_PL_FLAG_UNCACHED when allocating GPFIFOs and fences to
allow them to be safely accessed by the kernel without being synced
on non-coherent architectures.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau: implement explicitly coherent BOs
Alexandre Courbot [Mon, 27 Oct 2014 09:49:17 +0000 (18:49 +0900)]
drm/nouveau: implement explicitly coherent BOs

Allow nouveau_bo_new() to recognize the TTM_PL_FLAG_UNCACHED flag, which
means that we want the allocated BO to be perfectly coherent between the
CPU and GPU. This is useful on non-coherent architectures for which we
do not want to manually sync some rarely-accessed buffers: typically,
fences and pushbuffers.

A TTM BO allocated with the TTM_PL_FLAG_UNCACHED on a non-coherent
architecture will be populated using the DMA API, and accesses to it
performed using the coherent mapping performed by dma_alloc_coherent().

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau: introduce nv_device_is_cpu_coherent()
Alexandre Courbot [Mon, 27 Oct 2014 09:49:16 +0000 (18:49 +0900)]
drm/nouveau: introduce nv_device_is_cpu_coherent()

Add a function allowing us to know whether a device is CPU-coherent,
i.e. accesses performed by the CPU on GPU-mapped buffers will
be immediately visible on the GPU side and vice-versa.

For now, a device is considered to be coherent if it uses the PCI bus on
a non-ARM architecture.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau: warn when moving a pinned object
Alexandre Courbot [Mon, 27 Oct 2014 09:11:52 +0000 (18:11 +0900)]
drm/nouveau: warn when moving a pinned object

Pinned BOs are supposed to remain in their current location until
unpinned. Display a warning for the supposedly-erroneous case where we
are trying to move such objects.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/disp: clear notify intr status when enabling, to prevent races
Ben Skeggs [Tue, 28 Oct 2014 01:21:44 +0000 (11:21 +1000)]
drm/nouveau/disp: clear notify intr status when enabling, to prevent races

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nv50-/disp: rename class members to match nvidia channel names
Ben Skeggs [Thu, 2 Oct 2014 05:25:25 +0000 (15:25 +1000)]
drm/nv50-/disp: rename class members to match nvidia channel names

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/core: remove some dead code that got forgotten
Ben Skeggs [Tue, 21 Oct 2014 05:23:16 +0000 (15:23 +1000)]
drm/nouveau/core: remove some dead code that got forgotten

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/pwr/fuc: Fix thinko in nouveau_memx_wait()
Roy Spliet [Thu, 2 Oct 2014 16:01:58 +0000 (18:01 +0200)]
drm/nouveau/pwr/fuc: Fix thinko in nouveau_memx_wait()

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nva3/clock: Allow user reclocking
Roy Spliet [Thu, 2 Oct 2014 16:01:57 +0000 (18:01 +0200)]
drm/nva3/clock: Allow user reclocking

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/fb/ramnva3: Reclocking script for GDDR3
Roy Spliet [Thu, 2 Oct 2014 16:01:56 +0000 (18:01 +0200)]
drm/nouveau/fb/ramnva3: Reclocking script for GDDR3

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/fb/ramnva3: Reclocking script for DDR2
Roy Spliet [Thu, 2 Oct 2014 16:01:55 +0000 (18:01 +0200)]
drm/nouveau/fb/ramnva3: Reclocking script for DDR2

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/fb/ramnva3: Reclocking script for DDR3
Roy Spliet [Thu, 2 Oct 2014 16:01:54 +0000 (18:01 +0200)]
drm/nouveau/fb/ramnva3: Reclocking script for DDR3

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/fb/ramnva3: Ressurect timing calculation code
Roy Spliet [Thu, 2 Oct 2014 16:01:53 +0000 (18:01 +0200)]
drm/nouveau/fb/ramnva3: Ressurect timing calculation code

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/fb/ramnva3: Link training for DDR3
Roy Spliet [Thu, 2 Oct 2014 16:01:52 +0000 (18:01 +0200)]
drm/nouveau/fb/ramnva3: Link training for DDR3

V2: fix whitespace errors in memx.fuc

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/fb/gddr3: Generate MR values
Roy Spliet [Thu, 2 Oct 2014 16:01:51 +0000 (18:01 +0200)]
drm/nouveau/fb/gddr3: Generate MR values

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios/ramcfg: 10_02_40 -> DLLoff
Roy Spliet [Thu, 2 Oct 2014 16:01:50 +0000 (18:01 +0200)]
drm/nouveau/bios/ramcfg: 10_02_40 -> DLLoff

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau: move the (far too many...) different s/r paths to the same place
Ben Skeggs [Thu, 2 Oct 2014 03:31:00 +0000 (13:31 +1000)]
drm/nouveau: move the (far too many...) different s/r paths to the same place

No code changes.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/gk104-/fifo: handle copy engine class errors
Ben Skeggs [Fri, 26 Sep 2014 05:33:24 +0000 (15:33 +1000)]
drm/gk104-/fifo: handle copy engine class errors

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: stop after NV+NPDS+ISBN image
Ben Skeggs [Thu, 25 Sep 2014 02:11:16 +0000 (12:11 +1000)]
drm/nouveau/bios: stop after NV+NPDS+ISBN image

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: add some more signatures as seen on my gtx660
Ben Skeggs [Thu, 25 Sep 2014 01:37:51 +0000 (11:37 +1000)]
drm/nouveau/bios: add some more signatures as seen on my gtx660

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau: add support for gm204
Ben Skeggs [Tue, 19 Aug 2014 00:23:47 +0000 (10:23 +1000)]
drm/nouveau: add support for gm204

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/device: recognise GM204
Ben Skeggs [Mon, 18 Aug 2014 04:02:14 +0000 (14:02 +1000)]
drm/nouveau/device: recognise GM204

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/gm204/disp: some magic that fixes bringup of uninitialised outputs
Ben Skeggs [Thu, 28 Aug 2014 03:00:30 +0000 (13:00 +1000)]
drm/gm204/disp: some magic that fixes bringup of uninitialised outputs

Probably missing something here, doesn't make a lot of sense to write
or+link data into a register whose offset is calculated by the same
or+link info..

This is the all I've witnessed the binary driver and vbios doing so
far, so it'll do.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/gm204/disp: initial support
Ben Skeggs [Mon, 18 Aug 2014 22:45:27 +0000 (08:45 +1000)]
drm/gm204/disp: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/gf110-/disp: magic that might help some tmds issues
Ben Skeggs [Thu, 28 Aug 2014 01:52:12 +0000 (11:52 +1000)]
drm/gf110-/disp: magic that might help some tmds issues

The binary driver has been doing this since GF119, and we've somehow
gotten away with it.  But, TMDS that hasn't been initialised already
by the x86 vbios code is distorted without it on GM204.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: support for opcodes 0x47/0x48
Ben Skeggs [Wed, 20 Aug 2014 22:22:03 +0000 (08:22 +1000)]
drm/nouveau/bios: support for opcodes 0x47/0x48

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: add support for udisp 2.2
Ben Skeggs [Tue, 19 Aug 2014 00:58:39 +0000 (10:58 +1000)]
drm/nouveau/bios: add support for udisp 2.2

Not entirely sure why this got bumped at all yet.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: add support for dp 4.1
Ben Skeggs [Mon, 18 Aug 2014 22:38:12 +0000 (08:38 +1000)]
drm/nouveau/bios: add support for dp 4.1

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/i2c: add support for DCB_I2C_PMGR port type
Ben Skeggs [Mon, 18 Aug 2014 22:25:40 +0000 (08:25 +1000)]
drm/nouveau/i2c: add support for DCB_I2C_PMGR port type

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: add support for ccb 4.1
Ben Skeggs [Mon, 18 Aug 2014 22:20:26 +0000 (08:20 +1000)]
drm/nouveau/bios: add support for ccb 4.1

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: add support for dcb 4.1
Ben Skeggs [Mon, 18 Aug 2014 04:09:00 +0000 (14:09 +1000)]
drm/nouveau/bios: add support for dcb 4.1

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/gm204/i2c: add aux channel driver
Ben Skeggs [Mon, 18 Aug 2014 21:26:08 +0000 (07:26 +1000)]
drm/gm204/i2c: add aux channel driver

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/gm204/i2c: add pad driver
Ben Skeggs [Mon, 18 Aug 2014 21:18:01 +0000 (07:18 +1000)]
drm/gm204/i2c: add pad driver

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/i2c: segregate aux channel adapter indices from bit-banged i2c
Ben Skeggs [Wed, 24 Sep 2014 00:41:50 +0000 (10:41 +1000)]
drm/nouveau/i2c: segregate aux channel adapter indices from bit-banged i2c

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: store aux addr independently of i2c
Ben Skeggs [Mon, 18 Aug 2014 22:14:08 +0000 (08:14 +1000)]
drm/nouveau/bios: store aux addr independently of i2c

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nv50-/i2c: kill some unused struct members
Ben Skeggs [Mon, 18 Aug 2014 21:22:32 +0000 (07:22 +1000)]
drm/nv50-/i2c: kill some unused struct members

Left-over from before a rework a while back.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: log if auxch accesses fail, also return 0x00 from rd when it does
Ben Skeggs [Thu, 21 Aug 2014 00:39:01 +0000 (10:39 +1000)]
drm/nouveau/bios: log if auxch accesses fail, also return 0x00 from rd when it does

Logging at trace level, rather than as en error, as it seems conceivable
that failure could be normal under certain circumstances (new bios,
older sink that doesn't support a particular DPCD address)

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/gm204/devinit: initial implementation
Ben Skeggs [Tue, 23 Sep 2014 05:42:45 +0000 (15:42 +1000)]
drm/gm204/devinit: initial implementation

Starting from GM204, certain registers are no longer accessible by the host
(or unsigned PMU firmware).

This commit implements devinit on PMU, using a signed microcode image, and
devinit data, from the VBIOS.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/devinit: allow impl to select its own cold-boot method
Ben Skeggs [Tue, 23 Sep 2014 05:39:26 +0000 (15:39 +1000)]
drm/nouveau/devinit: allow impl to select its own cold-boot method

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: add parsing of pmu image tables
Ben Skeggs [Mon, 22 Sep 2014 02:30:57 +0000 (12:30 +1000)]
drm/nouveau/bios: add parsing of pmu image tables

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: recognise nv-specific rom/pcir signatures
Ben Skeggs [Mon, 22 Sep 2014 01:28:21 +0000 (11:28 +1000)]
drm/nouveau/bios: recognise nv-specific rom/pcir signatures

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: use NPDE to locate images beyond those defined by PCIR
Ben Skeggs [Mon, 22 Sep 2014 01:21:57 +0000 (11:21 +1000)]
drm/nouveau/bios: use NPDE to locate images beyond those defined by PCIR

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: add NPDE parsing
Ben Skeggs [Sat, 20 Sep 2014 23:35:16 +0000 (09:35 +1000)]
drm/nouveau/bios: add NPDE parsing

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: fetch images beyond the first one in the rom
Ben Skeggs [Mon, 22 Sep 2014 01:08:01 +0000 (11:08 +1000)]
drm/nouveau/bios: fetch images beyond the first one in the rom

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: use size/type from pci data structure
Ben Skeggs [Mon, 22 Sep 2014 00:51:37 +0000 (10:51 +1000)]
drm/nouveau/bios: use size/type from pci data structure

The field at +0x2 is technically processor specific, though I don't know
that it's ever mattered in practice (yet).

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: add pci data structure parsing
Ben Skeggs [Sat, 20 Sep 2014 23:22:48 +0000 (09:22 +1000)]
drm/nouveau/bios: add pci data structure parsing

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: split out shadow methods
Ben Skeggs [Wed, 17 Sep 2014 23:24:10 +0000 (09:24 +1000)]
drm/nouveau/bios: split out shadow methods

We're about to need to be able to fetch additional chunks of data beyond
the primary bios image, which makes fetching a lot more complicated.

This splits out the verious shadowing routines to be nothing more than
very dumb "fetch this much data from this offset" routines, and leaves
the logic of what and how much to fetch in common code.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau/bios: fix thinko when parsing extdev table
Ben Skeggs [Mon, 18 Aug 2014 04:05:40 +0000 (14:05 +1000)]
drm/nouveau/bios: fix thinko when parsing extdev table

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/nouveau: a, somehow, missed hunk of "fix regression on agp boards"
Ben Skeggs [Mon, 20 Oct 2014 05:49:33 +0000 (15:49 +1000)]
drm/nouveau: a, somehow, missed hunk of "fix regression on agp boards"

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agosoc/tegra: fuse: export tegra_sku_info
Vince Hsu [Tue, 2 Dec 2014 04:50:32 +0000 (12:50 +0800)]
soc/tegra: fuse: export tegra_sku_info

Some Tegra drivers might be compiled as kernel modules, and they need the
fuse information for initialization. One example is the GK20A Nouveau
driver. It needs the GPU speedo value to calculate frequency-voltage
table. So export the tegra_sku_info.

Signed-off-by: Vince Hsu <vinceh@nvidia.com>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
10 years agodrm/gma500: add support for atom e6xx lpc lvds i2c
Jan Safrata [Fri, 26 Sep 2014 08:40:29 +0000 (10:40 +0200)]
drm/gma500: add support for atom e6xx lpc lvds i2c

add gpio bitbanging i2c adapter on LPC device of atom e6xx
gpu chipset to access lvds EDID
tested on SECO QuadMo747-E6xx-EXTREME Qseven platform

Reviewed-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Jan Safrata <jan.nikitenko@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
10 years agoMerge tag 'v3.18-rc7' into drm-next
Dave Airlie [Tue, 2 Dec 2014 00:58:33 +0000 (10:58 +1000)]
Merge tag 'v3.18-rc7' into drm-next

This fixes a bunch of conflicts prior to merging i915 tree.

Linux 3.18-rc7

Conflicts:
drivers/gpu/drm/exynos/exynos_drm_drv.c
drivers/gpu/drm/i915/i915_drv.c
drivers/gpu/drm/i915/intel_pm.c
drivers/gpu/drm/tegra/dc.c

10 years agoMerge tag 'topic/core-stuff-2014-11-28' of git://anongit.freedesktop.org/drm-intel...
Dave Airlie [Mon, 1 Dec 2014 22:59:34 +0000 (08:59 +1000)]
Merge tag 'topic/core-stuff-2014-11-28' of git://anongit.freedesktop.org/drm-intel into drm-next

So here's a pile of atomic fixes and improvements from various people.
There's still more patches in-flight, so I think I'll keep collecting them
in a separate branch.

* tag 'topic/core-stuff-2014-11-28' of git://anongit.freedesktop.org/drm-intel:
  drm/atomic: clear plane's CRTC and FB when shutting down
  drm: Handle atomic state properly in kms getfoo ioctl
  drm: use mode_object_find helpers
  drm: fix indentation
  drm/msm: switch to atomic-helpers iterator macros
  drm/atomic: add plane iterator macros
  drm/atomic: track bitmask of planes attached to crtc
  drm: Free atomic state during cleanup
  drm: Make drm_atomic.h standalone includible
  drm: Make drm_atomic_helper.h standalone includible
  drm/plane: Add missing kerneldoc
  drm/plane: Pass old state to ->atomic_update()
  drm/atomic_helper: Cope with plane->crtc == NULL in disable helper
  drm/atomic: Drop per-plane locking TODO
  drm/atomic-helper: Skip vblank waits for unchanged fbs
  drm: Document that drm_dev_alloc doesn't need a parent

10 years agoARM: shmobile: marzen: Remove DU platform device
Laurent Pinchart [Thu, 27 Nov 2014 15:19:13 +0000 (17:19 +0200)]
ARM: shmobile: marzen: Remove DU platform device

Platform data support has been removed from the DU driver, drop DU
support from the legacy Marzen board file. The multiplatform DT-based
Marzen support should be used instead.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Dave Airlie <airlied@redhat.com>
10 years agoARM: shmobile: lager: Remove DU platform device
Laurent Pinchart [Thu, 27 Nov 2014 15:19:12 +0000 (17:19 +0200)]
ARM: shmobile: lager: Remove DU platform device

Platform data support has been removed from the DU driver, drop DU
support from the legacy Lager board file. The multiplatform DT-based
Lager support should be used instead.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Dave Airlie <airlied@redhat.com>
10 years agoLinux 3.18-rc7
Linus Torvalds [Mon, 1 Dec 2014 00:42:27 +0000 (16:42 -0800)]
Linux 3.18-rc7

10 years agoMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Mon, 1 Dec 2014 00:21:37 +0000 (16:21 -0800)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "Two i915 regressions and one dual-gpu laptop radeon fix"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon: report disconnected for LVDS/eDP with PX if ddc fails
  drm/i915: Cancel vdd off work before suspend
  drm/i915: Ignore SURFLIVE and flip counter when the GPU gets reset

10 years agobtrfs: zero out left over bytes after processing compression streams
Chris Mason [Sun, 30 Nov 2014 13:56:33 +0000 (08:56 -0500)]
btrfs: zero out left over bytes after processing compression streams

Don Bailey noticed that our page zeroing for compression at end-io time
isn't complete.  This reworks a patch from Linus to push the zeroing
into the zlib and lzo specific functions instead of trying to handle the
corners inside btrfs_decompress_buf2page

Signed-off-by: Chris Mason <clm@fb.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Reported-by: Don A. Bailey <donb@securitymouse.com>
cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
10 years agoMerge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 29 Nov 2014 18:49:24 +0000 (10:49 -0800)]
Merge branch 'irq-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull irq fixes from Thomas Gleixner:
 "Three fixlets from the ARM SoC camp:
   - correct irqdomain initialization for atmel-aic
   - correct error handling for device tree parsing in bcm controllers"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip: brcmstb-l2: Fix error handling of irq_of_parse_and_map
  irqchip: bcm7120-l2: Fix error handling of irq_of_parse_and_map
  irqchip: atmel-aic: Fix irqdomain initialization

10 years agoMerge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Linus Torvalds [Sat, 29 Nov 2014 18:15:31 +0000 (10:15 -0800)]
Merge tag 'scsi-fixes' of git://git./linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "This is a set of ten fixes: 8 for UFS including four static checker
  warnings, a potential null deref in the voltage regulator code, a race
  on module unload, a ref counting fix on the well known LUNs which made
  it impossible to remove the ufs module and fix to correct the
  information in pwr_info.

  In addition to UFS, there's a blacklist for the Intel Multi-Flex array
  which chokes on report supported operation codes and a fix to an oops
  in bnx2fc caused by shared skbs"

[ For us non-SCSI people: "UFS" here is "Universal Flash Storage" not
  the filesystem.  - Linus ]

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  ufs: fix NULL dereference when no regulators are defined
  ufs: ensure clk gating work is finished before module unloading
  scsi: ufs: fix static checker warning in ufshcd_parse_clock_info
  scsi: ufs: fix static checker warning in __ufshcd_setup_clocks
  scsi: ufs: fix static checker warning in ufshcd_populate_vreg
  scsi: ufs: fix static checker errors in ufshcd_system_suspend
  ufs: fix power info after link start-up
  ufs: fix reference counting of W-LUs
  scsi: add Intel Multi-Flex to scsi scan blacklist
  bnx2fc: do not add shared skbs to the fcoe_rx_list

10 years agoMerge tag 'staging-3.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Sat, 29 Nov 2014 00:08:09 +0000 (16:08 -0800)]
Merge tag 'staging-3.18-rc7' of git://git./linux/kernel/git/gregkh/staging

Pull staging/IIO driver fixes from Greg KH:
 "Here are some staging and IIO driver fixes for 3.18-rc7 that resolve a
  number of reported issues, and a new device id for a staging wireless
  driver.

  All of these have been in linux-next"

* tag 'staging-3.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: r8188eu: Add new device ID for DLink GO-USB-N150
  staging: r8188eu: Fix scheduling while atomic error introduced in commit fadbe0cd
  iio: accel: bmc150: set low default thresholds
  iio: accel: bmc150: Fix iio_event_spec direction
  iio: accel: bmc150: Send x, y and z motion separately
  iio: accel: bmc150: Error handling when mode set fails
  iio: gyro: bmg160: Fix iio_event_spec direction
  iio: gyro: bmg160: Send x, y and z motion separately
  iio: gyro: bmg160: Don't let interrupt mode to be open drain
  iio: gyro: bmg160: Error handling when mode set fails
  iio: adc: men_z188_adc: Add terminating entry for men_z188_ids
  iio: accel: kxcjk-1013: Fix kxcjk10013_set_range
  iio: Fix IIO_EVENT_CODE_EXTRACT_DIR bit mask

10 years agoMerge tag 'tty-3.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Linus Torvalds [Sat, 29 Nov 2014 00:03:24 +0000 (16:03 -0800)]
Merge tag 'tty-3.18-rc7' of git://git./linux/kernel/git/gregkh/tty

Pull tty/serial fix from Greg KH:
 "Here is a single revert for the of-serial driver that resolves a
  reported issue.

  This revert has been in linux-next for a while"

* tag 'tty-3.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  Revert "serial: of-serial: add PM suspend/resume support"